Home / 109,459.91-164,138.83-56,855.27

Finding the Fourth Proportional to 109,459.91, 164,138.83 and 56,855.27

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Solution

The fourth proportional to 109,459.91, 164,138.83 and 56,855.27 is: 85,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,459.91 : 164,138.83 = 56,855.27 : x
  2. Step 2: Convert to fraction form
    109,459.91/164,138.83 = 56,855.27/x
  3. Step 3: Cross multiply
    109,459.91x = 164,138.83 × 56,855.27
  4. Step 4: Simplify right side
    109,459.91x = 9,332,156,392.16
  5. Step 5: Solve for x
    x = 9,332,156,392.16/109,459.91
  6. Step 6: Final answer
    x = 85,256.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.